Medical Glossary
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Q2h A Latin abbreviation used on prescriptions to indicate that the medication should be taken every two hours.
Q3h A Latin abbreviation used on prescriptions to indicate that the medication should be taken every three hours.
QD A Latin abbreviation used on prescriptions to indicate that the medication should be taken every day.
QHS A Latin abbreviation used on prescriptions to indicate that the medication should be taken at night time.
QID A Latin abbreviation used on prescriptions to indicate that the medication should be taken every four hours.
Quackery The deliberate misrepresentation of the ability of a substance or device for the prevention or treatment of disease. Quackery also applies to persons who pretend to be able to diagnose or heal people but are unqualified and incompetent.
Quality of life Refers to the patient's ability to enjoy normal life activities. Some medical treatments can seriously impair quality of life without providing appreciable benefit, while others greatly enhance quality of life.
Queasy The feeling of an upset stomach.